Finding the Fourth Proportional to 92,836,283.36, 128,117,142.60 and 51,021,830.79
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Solution
The fourth proportional to 92,836,283.36, 128,117,142.60 and 51,021,830.79 is: 70,411,814.59
Step by Step Solution
- Step 1: Write the proportion equation
92,836,283.36 : 128,117,142.60 = 51,021,830.79 : x - Step 2: Convert to fraction form
92,836,283.36/128,117,142.60 = 51,021,830.79/x - Step 3: Cross multiply
92,836,283.36x = 128,117,142.60 × 51,021,830.79 - Step 4: Simplify right side
92,836,283.36x = 6,536,771,171,035,500 - Step 5: Solve for x
x = 6,536,771,171,035,500/92,836,283.36 - Step 6: Final answer
x = 70,411,814.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.